State size comparison
Colorado is about 13 times bigger than Massachusetts.
Massachusetts is approximately 20,306 sq km, while Colorado is approximately 268,627 sq km, making Colorado 1,223% larger than Massachusetts. Meanwhile, the population of Massachusetts is ~6.5 million people (1.5 million fewer people live in Colorado).
This to-scale comparison of Massachusetts vs. Colorado uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.